US3320033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Absorbent, its preparation and use to recover metal values
Assignee: KERR MC GEE OIL IND Inc
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Filing: 1964-03-18
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Granted: 1967-05-16
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Expires: 1984-03-18
Abstract
No abstract record available.
Inventors
- 👤 Mayer B Goren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:32
CPC Classifications
B; B01; B01J; B01J20/00; B01J20/02; B01J20/20; B01J20/0203; B01J20/0262; B01J20/0266; B01J20/28; B01J20/28002; B01J20/28004; B01J20/30; B01J20/32; B01J20/3202; B01J20/3204; B01J20/3206; B01J20/3208; B01J20/321; B01J20/3231; B01J20/3242; B01J20/3244; B01J20/3246; B01J20/3248; B01J20/3287; B01J20/34; B01J20/3416; B01J20/3425; B01J20/345; B01J20/3475; C; C02; C02F; C02F1/00; C02F1/28; C02F1/288; B01J2220/00; B01J2220/50; B01J2220/56; B01J2220/58; B01J2220/66; Y; Y10; Y10S; Y10S423/00; Y10S423/09; Y10S423/14
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
54 words
AN ABSORBENT FOR RECOVERING DISSOLVED METAL VALUES BY ABSORPTION FROM AQUEOUS SOLUTIONS THEREOF COMPRISING A SUBSTANTIALLY WATER INSOLUBLE ORGANIC SOLVENT EXTRACTANT FOR METAL VALUES ADSORBVED ON THE SURFACE OF A WATER INSOLUBLE SOLIDE SUBSTANCE, THE SOLID SUBSTANCE HAVING AN INERT HYDROPHOBIC SURFACE OF EXTENDED SURFACE AREA AND THE ORGANIC SOLVENT EXTRACTANT BEING ADSORBED THEREON.
Claim 2
Dependent Claim
54 words
AN ABSORBENT FOR RECOVERING DISSOLVED METAL VALUES BY ABSORPTION FROM AQUEOUS SOLUTIONS THEREOF COMPRISING A SUBSTANTIALLY WATER INSOLUBLE ORGANIC SOLVENT EXTRACTANT FOR METAL VALUES ADSORBVED ON THE SURFACE OF A WATER INSOLUBLE SOLIDE SUBSTANCE, THE SOLID SUBSTANCE HAVING AN INERT HYDROPHOBIC SURFACE OF EXTENDED SURFACE AREA AND THE ORGANIC SOLVENT EXTRACTANT BEING ADSORBED THEREON.
Claim 3
Dependent Claim
92 words
A PROCESS FOR PREPARING AN ABSORBENT FOR RECOVERING DISSOLVED METAL VALUES BY ABSORPTION FORM AQUEOUS SOLUTIONS THEREOF COMPRISING INTIMATELY CONTACTINT THE SURFACE OF A SOLID WATER INSOLUBLE SUBSTANCE WITH A SOLUTION IN AN ORGANIC SOLVENT OF A SUBSTANTIALLY WATER INSOLUBLE ORGANIC SOLVENT EXTRACTANT FOR METAL VALUES, THE SOLID SUBSTANCE HAVING AN INERT HYDROPHOBIC SURFACE OF EXTENDED SURFACE AREA AND BEING INITIMATELY CONTACTED WITH THE SOLUTION OR ORGANIC SOLVENT EXTRACTANT, AND REMOVING THE ORGANIC KSOLVENT OF THE SOLUTION WHEREBY THE ORGANIC SOLVENT EXTRACTANT IS DEPOSITED ON THE HYDROPHOBIC SURFACE OF THE SOLID SUBSTANCE.
Claim 4
Dependent Claim
92 words
A PROCESS FOR PREPARING AN ABSORBENT FOR RECOVERING DISSOLVED METAL VALUES BY ABSORPTION FORM AQUEOUS SOLUTIONS THEREOF COMPRISING INTIMATELY CONTACTINT THE SURFACE OF A SOLID WATER INSOLUBLE SUBSTANCE WITH A SOLUTION IN AN ORGANIC SOLVENT OF A SUBSTANTIALLY WATER INSOLUBLE ORGANIC SOLVENT EXTRACTANT FOR METAL VALUES, THE SOLID SUBSTANCE HAVING AN INERT HYDROPHOBIC SURFACE OF EXTENDED SURFACE AREA AND BEING INITIMATELY CONTACTED WITH THE SOLUTION OR ORGANIC SOLVENT EXTRACTANT, AND REMOVING THE ORGANIC KSOLVENT OF THE SOLUTION WHEREBY THE ORGANIC SOLVENT EXTRACTANT IS DEPOSITED ON THE HYDROPHOBIC SURFACE OF THE SOLID SUBSTANCE.
Claim 5
Dependent Claim
131 words
IN A SOLVENT EXTRACTION PROCESS WHEREIN AN ORGANIC SOLVENT EXTRACTANT FOR DESIRED METAL VALUES IS CONTACT WITH AN AQUEOUS MEDIUM CONTAINING THE METAL VALUES DISSOLVED THEREIN AND THE METAL VALUES ARE ABSORBED, THE ORGANIC SOLVENT EXTRACTANT TOGETHER WITH THE ABSORBED METAL VALUES IS SEPARATED FROM THE AQUEOUS MEDIUM AND THE ABSORBED METAL VALUES ARE RECOVERED THEREFROM, THE IMPROVEMENT COMPRISING CONTACTING THE AQUEOUS MEDIUM WITH AN ABSORBENT TO THEREBY ABSORB THE METAL VALUES, THE ABSORBENT COMPRISING A SUBSTANTIALLY WATER INSOLUBLE ORGANIC SOLVENT EXTRACTANT FOR THE DESIRED METAL VALUES ADSORBED ON THE SURFACE OF A WATER INSOLUBLE SOLID SUBSTANCE, THE SOLID SUBSTANCE HAVING AN INERT HYDROPHOBIC SURFACE OF EXTENDED SURFACE AREA AND THE ORGANIC SOLVENT EXTRACTANT BEING ADSORBED THEREON, AND SEPARATING THE ABSORBENT TOGETHER WITH THE ADSORBED METAL VALUES FROM THE AQUEOUS MEDIUM.
Claim 6
Dependent Claim
131 words
IN A SOLVENT EXTRACTION PROCESS WHEREIN AN ORGANIC SOLVENT EXTRACTANT FOR DESIRED METAL VALUES IS CONTACT WITH AN AQUEOUS MEDIUM CONTAINING THE METAL VALUES DISSOLVED THEREIN AND THE METAL VALUES ARE ABSORBED, THE ORGANIC SOLVENT EXTRACTANT TOGETHER WITH THE ABSORBED METAL VALUES IS SEPARATED FROM THE AQUEOUS MEDIUM AND THE ABSORBED METAL VALUES ARE RECOVERED THEREFROM, THE IMPROVEMENT COMPRISING CONTACTING THE AQUEOUS MEDIUM WITH AN ABSORBENT TO THEREBY ABSORB THE METAL VALUES, THE ABSORBENT COMPRISING A SUBSTANTIALLY WATER INSOLUBLE ORGANIC SOLVENT EXTRACTANT FOR THE DESIRED METAL VALUES ADSORBED ON THE SURFACE OF A WATER INSOLUBLE SOLID SUBSTANCE, THE SOLID SUBSTANCE HAVING AN INERT HYDROPHOBIC SURFACE OF EXTENDED SURFACE AREA AND THE ORGANIC SOLVENT EXTRACTANT BEING ADSORBED THEREON, AND SEPARATING THE ABSORBENT TOGETHER WITH THE ADSORBED METAL VALUES FROM THE AQUEOUS MEDIUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-15 | 1970-11-14 | 1971-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-15 | 1974-11-14 | 1975-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-15 | 1978-11-14 | 1979-05-16 | $7700.00 | Window Closed / Lapsed |